package guestbook;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {

	public void destroy() {}
	
	public void init( FilterConfig filterConfig ) throws ServletException {}
	
	public void doFilter( ServletRequest req, ServletResponse resp, FilterChain chain )
			throws IOException, ServletException {
		if( req.getCharacterEncoding() == null )
			req.setCharacterEncoding( "ISO-8859-1" );
		chain.doFilter( req, resp );
	}

}